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Celestine and Lazulite Physical Properties


Lazulite and Celestine Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.90-4.00   
3.04-3.17   

Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Uneven, Uneven, Gemstones of the world (2001) More from other references   

Cleavage
Perfect on {001}, good on {210}, poor on {010}   
{001} Indistinct, {???} Indistinct   

Mohs Hardness
3-3.5   
5.5   

Chemical Composition
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references   

Optical Properties >>
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Celestine and Lazulite Chemical Formula

While comparing Celestine and Lazulite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Celestine and Lazulite chemical formula.

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Celestine and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.

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